delta()

int32 xtd::forms::mouse_event_args::delta ( ) const

inlinenoexcept

Gets a signed count of the number of detents the mouse wheel has rotated, multiplied by the WHEEL_DELTA constant. A detent is one notch of the mouse wheel.

Returns

A signed count of the number of detents the mouse wheel has rotated, multiplied by the WHEEL_DELTA constant.